Hi i want to use the "Listing 14. An example of code that uses the video-out port" of the document: "DE10-Nano Computer System with Nios® II " It describes how to print out a rectangel with characters onto a HDMI display.

HI,

I presume you already installed "Intel FPGA Monitor Program" where all the example design code is available.

For instance, you can use Quartus software to open up DE10-Nano example design where every design blocks are connected nicely for you

• \University_Program\Computer_Systems\DE10-Nano\DE10-Nano_Computer\verilog

While the NIOS II C code example design is available in

• \University_Program\Computer_Systems\sample_programs\nios2\c

Thanks.

Regards,

dlim

wow it works.

I went down to your given paths and also discovered the directories a little bit by myself. First I tried the FPGA Monitor Program - but it didnt work xD So I opened the .qpf - clicked on the programmer and uploaded the .sof . Then I checked if my FPGA has connection. It had. I saw that the HAL enviromnent is already there . I only had to the main program: video.c and the address maps located in the lib folder University_Program\Computer_Systems\DE10-Nano\DE10-Nano_Computer\software.

I compiled it and my HDMI Display showed Intel FPGA Computer System within a blue rectangle.

Thank you for your time !

Sometimes the solution is close to us and simple :D

( i know that this is a prepared environment but anyway it is an important step for me :D)

Now i finally can begin to manipulate the output :D

Great ! I am glad thing works out for you

Damn, it turned out that i just had some luck: First time it worked diretly second time i needed to reinstall. Today it even didnt work after reinstall: It just shows some weird random pixels in the first 6 rows . I checked it last time on some "good" displayS and now i am working with a adapter hdmi to vga. So this shouldnt be the reason.

I now recompile the project DE10 nano computer. Maybe it has some trouble with the pin allocation ? But I really use de10-nano. So it should be the correct project.

If it doesnt work I will post more details :D

I could also check the Platform Designers Adresses and the adresses listetd in the .h file for the Nios.

Wow it takes now half an hour to compile everything.. Although I made some setting changes for faster compilation etc...

😀

Now I created a new project with the Intel FPGA Monitor Program. I configured with the example video.

Then ..like always... nothing happens after upload.. then I used eclipse put in again my files (video.c and libs) and it worked. Then I made some change in the String. then a new comination appeared: on top of the screen random pixel appeared and the string also appeared. but I couldn change the string now... needed to download the sof with fpga monitor program again and again needed to put in video.c... now it worked again. but only for 1 time. after changing the string again it hung up or something... now i am trying the third time

maybe it is because of my run configurations.... i changed the target processor and byte stream devices .. now it works .. i will check it again in a few days :D

hmm with the Intel fpga Monitor Programm it always works fine... but in Quartus in combination with eclipse for nios.. It sometime doesnt work , maybe because of the run configurations.... I show you what i mean in the attachment. i understand this better.. but maybe you have a idea :D

thanks . have a good day ! :D

Now it doesnt work anymore. It never shows the demo on my hdmi screen :(

Just a random bit order in top of the screen.

Hmm. the byte stream device is just for the console output ?

The processor is one of the two NIOS which come with this DEMO

I dont know whats up

Has someone an idea ?

I always choose the hello world simple template project... i also tried the hello word template